.gitlab-ci.yml

stages:
  - lint
  - test
  - build

variables:
  PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"

default:
  image: python:3.12-slim
  tags:
    - SN-runner
  cache:
    key: "$CI_COMMIT_REF_SLUG" # Cache per branch
    paths:
      - "$PIP_CACHE_DIR"
  before_script:
    - apt-get update && apt-get install -y --no-install-recommends git
    - pip install -r requirements.txt

lint:
  stage: lint
  script:
    - isort src tests --check
    - black src tests --check
    - flake8 src tests
    - mypy src
  rules:
    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'

tests:
  stage: test
  script:
    # Generate terminal output, XML for GitLab integration, and HTML for Browse
    - pytest --cov=src --cov-report=term --cov-report=xml:coverage.xml --cov-report=html:coverage_html
  artifacts:
    reports:
      coverage_report:
        coverage_format: cobertura
        path: coverage.xml
    paths:
      - coverage.xml
      - .coverage # Raw coverage data
      - coverage_html # HTML report
    expire_in: 7 days

build-docker-image:
  stage: build
  image:
    name: gcr.io/kaniko-project/executor:v1.14.0-debug # Kaniko image for building Docker images
    entrypoint: [""] # Override entrypoint for Kaniko
  tags:
    - SN-runner # Ensure this job runs on a runner that can execute Docker/Kaniko
  cache: {} # Disable default cache inherited from 'default' key, as it's not relevant for this job
  before_script: [] # Disable default before_script as Kaniko image doesn't have apt-get/pip
  script:
    - |
      # Determine Docker image destination tag based on the pipeline context
      if [ -n "$CI_COMMIT_TAG" ]; then # If it's a git tag
        DESTINATION="${CI_REGISTRY_IMAGE}:${CI_COMMIT_TAG}"
      elif [ "$CI_COMMIT_BRANCH" == "$CI_DEFAULT_BRANCH" ]; then # If it's the default branch (e.g., main)
        DESTINATION="${CI_REGISTRY_IMAGE}:latest"
      elif [ "$CI_PIPELINE_SOURCE" == "merge_request_event" ]; then # If it's a merge request
        # Tag for MRs, e.g., for review apps or temporary images
        DESTINATION="${CI_REGISTRY_IMAGE}:mr-${CI_MERGE_REQUEST_IID}"
      else # Fallback for other branches/contexts
        DESTINATION="${CI_REGISTRY_IMAGE}:${CI_COMMIT_REF_SLUG}-${CI_COMMIT_SHORT_SHA}"
      fi
      echo "Building and pushing Docker image to: ${DESTINATION}"
    - /kaniko/executor
      --context "${CI_PROJECT_DIR}"
      --dockerfile "${CI_PROJECT_DIR}/Dockerfile"
      --destination "${DESTINATION}"
      # Example: pass build arguments to Dockerfile
      # --build-arg "MY_BUILD_ARG=${SOME_CI_VARIABLE}"
  rules:
    # Run this job for:
    - if: "$CI_COMMIT_TAG" # Git tags
    - if: "$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH" # Commits to the default branch
    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"' # Merge requests
  needs: [] # This job does not depend on artifacts from previous jobs in this example